New York, 2011
The year's recorded storm events, federal disaster declarations and flood insurance claims.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders.
Events by hazard
Includes events recorded by forecast zone. The state's yearly total for 2011 was 2,227 against 1,462 in 2010.
Counties with the most recorded events
Notable events
| Date | County | Event type | Magnitude | Property damage | Deaths | Injuries |
|---|---|---|---|---|---|---|
| 21 Jul 2011 | Forecast zone | Excessive Heat | — | — | 7 | — |
| 21 Jul 2011 | Bronx | Excessive Heat | — | — | 6 | — |
| 21 Jul 2011 | Forecast zone | Excessive Heat | — | — | 4 | — |
| 28 Aug 2011 | Clinton | Flash Flood | — | $8,500,000 | 2 | — |
| 28 Aug 2011 | Rockland | Tropical Storm | — | — | 2 | — |
| 21 Jul 2011 | Forecast zone | Excessive Heat | — | — | 2 | — |
| 28 Aug 2011 | Westchester | Flood | — | — | 1 | 1 |
| 28 Aug 2011 | Delaware | Flash Flood | — | $5,000,000 | 1 | — |
| 28 Apr 2011 | Jefferson | Flood | — | $250,000 | 1 | — |
| 26 Jan 2011 | Forecast zone | Heavy Snow | — | — | 1 | — |
| 28 Aug 2011 | Orange | Flood | — | — | 1 | — |
| 22 Jun 2011 | Putnam | Heavy Rain | — | — | 1 | — |
| 28 Aug 2011 | Bronx | Storm Surge/Tide | — | — | 1 | — |
| 28 Aug 2011 | Forecast zone | Tropical Storm | — | — | 1 | — |
| 22 Jul 2011 | Orange | Excessive Heat | — | — | 1 | — |
| 28 Aug 2011 | Albany | Flash Flood | — | — | 1 | — |
| 28 Aug 2011 | Montgomery | Flash Flood | — | — | 1 | — |
| 28 Aug 2011 | Greene | Flood | — | — | 1 | — |
| 28 Aug 2011 | Greene | Flash Flood | — | — | 1 | — |
| 7 Sep 2011 | Tioga | Flood | — | $309,000,000 | — | — |
| 7 Sep 2011 | Broome | Flood | — | $170,000,000 | — | — |
| 7 Sep 2011 | Broome | Flood | — | $160,000,000 | — | — |
| 14 Nov 2011 | Allegany | Thunderstorm Wind | 70 mph | — | — | 15 |
| 14 Nov 2011 | Allegany | Thunderstorm Wind | 70 mph | — | — | 10 |
| 7 Sep 2011 | Tioga | Flash Flood | — | $70,000,000 | — | — |
| 7 Sep 2011 | Otsego | Flood | — | $58,000,000 | — | — |
| 7 Sep 2011 | Broome | Flash Flood | — | $50,000,000 | — | — |
| 7 Sep 2011 | Broome | Flood | — | $40,000,000 | — | — |
| 28 Aug 2011 | Essex | Flash Flood | — | $35,000,000 | — | — |
| 7 Sep 2011 | Tioga | Flash Flood | — | $25,000,000 | — | — |
| 7 Sep 2011 | Broome | Flash Flood | — | $20,000,000 | — | — |
| 7 Sep 2011 | Tioga | Flash Flood | — | $20,000,000 | — | — |
| 7 Sep 2011 | Broome | Flood | — | $20,000,000 | — | — |
| 13 Jul 2011 | Forecast zone | Strong Wind | 40 mph | — | — | 2 |
| 7 Sep 2011 | Tioga | Flood | — | $16,000,000 | — | — |
| 7 Sep 2011 | Tioga | Flash Flood | — | $15,000,000 | — | — |
| 28 May 2011 | Warren | Flash Flood | — | $12,600,000 | — | — |
| 8 Sep 2011 | Broome | Flood | — | $10,800,000 | — | — |
| 25 Jul 2011 | Erie | Lightning | — | $500,000 | — | 1 |
| 7 Sep 2011 | Broome | Flash Flood | — | $10,000,000 | — | — |
Up to 40 events with deaths, injuries, damage of $50,000 or more, or a tornado rating, ranked by deaths, injuries and damage.
Federal disaster declarations in 2011
| Declared | Number | Type | Incident | Title | Counties |
|---|---|---|---|---|---|
| 13 Sep 2011 | DR-4031 | Major disaster | Severe Storm | Remnants Of Tropical Storm Lee | 15 |
| 8 Sep 2011 | EM-3341 | Emergency | Severe Storm | Remnants Of Tropical Storm Lee | 15 |
| 31 Aug 2011 | DR-4020 | Major disaster | Hurricane | Hurricane Irene | 32 |
| 26 Aug 2011 | EM-3328 | Emergency | Hurricane | Hurricane Irene | 17 |
| 10 Jun 2011 | DR-1993 | Major disaster | Flood | Severe Storms, Flooding, Tornadoes, And Straight-Line Winds | 23 |
| 18 Feb 2011 | DR-1957 | Major disaster | Severe Storm | Severe Winter Storm And Snowstorm | 10 |
Flood insurance claims with a 2011 date of loss
20,619 NFIP claims, 17,293 of them paid, for $535,156,993.
Sources: NOAA NCEI Storm Events through 30 Jun 2026; OpenFEMA DisasterDeclarationsSummaries v2 (1 Oct 2026); OpenFEMA NfipClaims v3 (8 Sep 2026). Built 1 Oct 2026.